Power cable spacer capable of extending longitudinally

Abstract

The utility model discloses a power cable spacer capable of extending longitudinally, which relates to the technical field of cable spacers and comprises a spacer body, spacer cylinders and limiting rings, one side of the spacer body is provided with the spacer cylinders distributed at equal angles, and one side of each spacer cylinder is provided with the corresponding limiting ring. The pull rod is pulled to drive the limiting ring to move, then the hexagonal bolt can be rotated to be separated from one threaded groove, the adjusting rod can be locked with the other threaded groove after moving to a certain position, then the pull rod can be loosened to drive the limiting ring to limit the hexagonal bolt, and therefore the situation that the hexagonal bolt is vibrated or loosened can be avoided; the cable spacer has a good adjusting effect when in use, a rubber ring is placed in a limiting ring, and then the rubber ring is rotated to drive a connecting block to be locked with a clamping block, so that the rubber ring can be mounted on the inner side of the limiting ring, and a cable is prevented from being abraded when being shaken in the limiting ring.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable spacer technical field, concretely is a kind of cable spacer for electric power that can be longitudinally extended. BACKGROUND

[0002] Cable spacer is a kind of device for super-high voltage and ultra-high voltage transmission line, its main function is to ensure the spacing of split conductor bundle, to meet electrical performance, reduce surface potential gradient, and prevent electromagnetic force between conductor bundle under short circuit condition and mutual attraction collision, spacer can fix multiple conductors, prevent them from colliding or fluttering, however, there are still some defects in the cable spacer for electric power, for example:

[0003] The existing cable spacer is used in power, and the size is fixed, so the spacing distance of cable is fixed, so different sizes need to be replaced when installing cables with different spacing, but the replacement process is cumbersome, so the efficiency of cable installation and separation is low. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of cable spacer for electric power that can be longitudinally extended to solve the problem of cable spacer not easy to longitudinally extend proposed in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of cable spacer for electric power that can be longitudinally extended, including spacer body, spacer column and limiting ring, the side of spacer body is provided with the spacer column of equiangular distribution, the side of spacer column is provided with limiting ring, limiting ring and spacer column are provided with longitudinal extension mechanism between, longitudinal extension mechanism includes adjusting rod, connecting rod and hexagon bolt, limiting ring and spacer column are provided with adjusting rod, one end of spacer column is welded and connected with the connecting rod extending to the inside of adjusting rod, the side of adjusting rod is threadedly connected with the hexagon bolt extending to the inside of connecting rod.

[0006] Preferably, the connecting rod is internally provided with uniformly distributed screw grooves, the adjusting rod is internally provided with a cavity, a vertical rod is welded and connected inside the cavity, and a displacement block is sleeved outside the vertical rod.

[0007] Preferably, a first spring is welded and connected between the displacement block and the cavity, a pull rod extending to the outside of the adjusting rod is welded and connected to one side of the displacement block, and a limit ring is arranged at one end of the pull rod.

[0008] Preferably, an auxiliary protection mechanism is arranged inside the limiting ring, the auxiliary protection mechanism includes a rubber ring, a connecting block, a hollow slot, a clamping block and a second spring, and the limiting ring is internally provided with a rubber ring.

[0009] Preferably, the rubber ring is provided with a connecting block extending to the inside of the limiting ring, and a slot is formed on the side of the limiting ring close to the connecting block.

[0010] Preferably, the slot is provided with a clamping block extending to the inside of the connecting block, and a second spring is welded between the clamping block and the slot.

[0011] Compared with the prior art, the cable spacer for electric power can avoid the loosening of the hexagonal bolt due to vibration, and has good adjusting effect when used.

[0012] 1. The cable spacer for electric power can drive the displacement block to slide on the surface of the vertical rod when the pull rod is pulled, so as to extrude the first spring, and can drive the limiting ring to move when the pull rod moves, and then the hexagonal bolt can be rotated to be separated from the threaded groove, and then the adjusting rod can be moved while the limiting ring moves, so that the hexagonal bolt can be locked with another threaded groove when the adjusting rod is moved to a certain position, and then the pull rod can be loosened, so that the pull rod can drive the limiting ring to limit the hexagonal bolt through the reset effect of the first spring, thereby avoiding the loosening of the hexagonal bolt due to vibration, and having good adjusting effect when used.

[0013] 2. The cable spacer for electric power can put the rubber ring into the inside of the limiting ring, and then rotate the rubber ring to drive the connecting block to rotate, so that the connecting block can extrude the clamping block when rotating, and the clamping block can extrude the second spring when moving, so that the clamping block can be locked with the connecting block when the connecting block is moved to a certain position, thereby avoiding the abrasion of the cable when it is shaken in the inside, and having good protection effect when the cable is installed in the spacer. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view structural schematic diagram of the utility model;

[0015] Figure 2 is a front view of the adjusting rod of the utility model;

[0016] Figure 3 is a front view of the adjusting rod of the utility model;

[0017] Figure 4 is a front view of the adjusting rod of the utility model;

[0018] Figure 5 is a front view of the adjusting rod of the utility model.

[0019] In the figure: 1, spacer rod body; 2, spacer rod column; 3, limiting ring; 4, longitudinal extension mechanism; 401, adjusting rod; 402, connecting rod; 403, hexagonal bolt; 404, thread groove; 405, cavity; 406, vertical rod; 407, displacement block; 408, first spring; 409, pull rod; 410, limiting ring; 5, auxiliary protection mechanism; 501, rubber ring; 502, connecting block; 503, air slot; 504, clamping block; 505, second spring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4The utility model provides a kind of technical scheme: a kind of longitudinally extensible cable spacer for electric power, including spacer body 1, spacer post 2 and limiting ring 3, the side of spacer body 1 is provided with the spacer post 2 of equal angle distribution, the side of spacer post 2 is provided with limiting ring 3, limiting ring 3 is provided with longitudinal extension mechanism 4 between spacer post 2, longitudinal extension mechanism 4 includes adjusting rod 401, connecting rod 402 and hexagonal bolt 403, limiting ring 3 is provided with adjusting rod 401 with spacer post 2, one end of spacer post 2 is welded and connected with the connecting rod 402 extending to the inside of adjusting rod 401, the side of adjusting rod 401 is threadedly connected with the hexagonal bolt 403 extending to the inside of connecting rod 402, the inside of adjusting rod 401 is provided with cavity 405, cavity 405 is welded and connected with vertical rod 406 inside, vertical rod 406 is equipped with displacement block 407 outside, first spring 408 is welded and connected between displacement block 407 and cavity 405, the side of displacement block 407 is welded and connected with pull rod 409 extending to the outside of adjusting rod 401, the end of pull rod 409 is provided with limit ring 410.

[0022] Referring to Figure 1 、 Figure 2 、 Figure 3 And Figure 4 Know, by pulling pull rod 409 drive limit ring 410 moves, then can rotate hexagonal bolt 403 so that it is separated from screw groove 404, after adjusting rod 401 is moved to certain position, can be locked with another screw groove 404, then pull rod 409 loosens after being able to drive limit ring 410 to limit hexagonal bolt 403, so that cable spacer can have better adjusting effect when being used.

[0023] Referring to Figure 1 、 Figure 2 And Figure 5 Know, limiting ring 3 is provided with auxiliary protection mechanism 5 inside, auxiliary protection mechanism 5 includes rubber ring 501, connecting block 502, air slot 503, clamping block 504 and second spring 505, limiting ring 3 is provided with rubber ring 501 inside, the both sides of rubber ring 501 are provided with connecting block 502 extending to the inside of limiting ring 3, the side close to connecting block 502 in the inside of limiting ring 3 is provided with air slot 503, air slot 503 is provided with clamping block 504 extending to the inside of connecting block 502, second spring 505 is welded and connected between clamping block 504 and air slot 503.

[0024] Referring to Figure 1 、 Figure 2 And Figure 5It can be known that the rubber ring 501 can be placed inside the limiting ring 3, then the rubber ring 501 is rotated to drive the connecting block 502 to be locked with the clamping block 504, so that the rubber ring 501 can be installed on the inner side of the limiting ring 3, thereby avoiding abrasion of the cable when the cable is shaken inside.

[0025] In summary, the cable spacer is a device used on an ultrahigh-voltage and extra-high-voltage power transmission line, when the cable spacer is not easy to install on different spaced cables, by pulling the pull rod 409 to drive the displacement block 407 to press the first spring 408, and the pull rod 409 can drive the limiting ring 410 to move when moving, then the hexagonal bolt 403 can be rotated to separate from the threaded groove 404, then the adjusting rod 401 can be moved, and the limiting ring 3 can be moved, so that when the adjusting rod 401 moves to a certain position, the hexagonal bolt 403 can be locked with another threaded groove 404, then the pull rod 409 can be loosened, through the reset effect of the first spring 408, the pull rod 409 can drive the limiting ring 410 to limit the hexagonal bolt 403, so that the hexagonal bolt 403 can not be loosened due to vibration, so that the cable spacer can have a better adjusting effect when used, and the contents not described in detail in the description belong to the prior art known to those skilled in the art.

[0026] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A longitudinally extensible power cable spacer rod comprising a spacer rod body (1), a spacer rod column (2) and a limiting ring (3), characterized in that: One side of the spacer rod body (1) is provided with equiangularly distributed spacer rod columns (2), one side of the spacer rod column (2) is provided with a limiting ring (3), a longitudinal extension mechanism (4) is arranged between the limiting ring (3) and the spacer rod column (2), the longitudinal extension mechanism (4) comprises an adjusting rod (401), a connecting rod (402) and a hexagonal bolt (403), the limiting ring (3) and the spacer rod column (2) are provided with the adjusting rod (401), one end of the spacer rod column (2) is welded with the connecting rod (402) extending into the inside of the adjusting rod (401), one side of the adjusting rod (401) is threadedly connected with the hexagonal bolt (403) extending into the inside of the connecting rod (402).

2. A longitudinally extensible power cable spacer according to claim 1, characterized in that: Uniformly distributed thread grooves (404) are formed in the inside of the connecting rod (402), a cavity (405) is formed in the inside of the adjusting rod (401), a vertical rod (406) is welded and connected in the inside of the cavity (405), and a displacement block (407) is sleeved on the outside of the vertical rod (406).

3. A longitudinally extensible power cable spacer according to claim 2, characterised in that: A first spring (408) is welded and connected between the displacement block (407) and the cavity (405), a pull rod (409) extending to the outside of the adjusting rod (401) is welded and connected on one side of the displacement block (407), and a limiting ring (410) is arranged at one end of the pull rod (409).

4. A longitudinally extensible power cable spacer according to claim 1, characterized in that: An auxiliary protection mechanism (5) is arranged in the inside of the limiting ring (3), the auxiliary protection mechanism (5) comprises a rubber ring (501), a connecting block (502), a hollow groove (503), a clamping block (504) and a second spring (505), and the limiting ring (3) is provided with the rubber ring (501) in the inside.

5. A longitudinally extensible power cable spacer according to claim 4, characterised in that: Connecting blocks (502) extending to the inside of the limiting ring (3) are arranged on both sides of the rubber ring (501), and a hollow groove (503) is formed in the side of the limiting ring (3) close to the connecting block (502).

6. A longitudinally extensible power cable spacer according to claim 5, characterised in that: A clamping block (504) extending to the inside of the connecting block (502) is arranged in the inside of the hollow groove (503), A second spring (505) is welded and connected between the clamping block (504) and the hollow groove (503).

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